Massage device

Abstract

The present disclosure relates to a massage device including a seat frame supporting user's body, a back frame connected to the seat frame to be rotatable, a rail extending along the seat frame and the back frame and connecting the seat frame and the back frame to each other, and a support unit connected to the seat frame and the back frame and supporting the rail.

1 . A massage device comprising:
 a seat frame supporting user's body;   a back frame connected to the seat frame to be rotatable;   a rail extending along the seat frame and the back frame and connecting the seat frame and the back frame to each other; and   a support unit connected to the seat frame and the back frame and supporting the rail.   
     
     
         2 . The massage device of  claim 1 , wherein
 the support unit has one end connected to the seat frame to be rotatable and the other end connected to the back frame to be rotatable, and supports the rail of which the position is changed according to rotation of the back frame.   
     
     
         3 . The massage device of  claim 1 , wherein
 the support unit comprises:   a first link connected to the seat frame;   a second link connected to the back frame; and   a connection link connecting the first link and the second link to each other.   
     
     
         4 . The massage device of  claim 3 , wherein
 at least one of the first link, the second link, and the connection link has an elongated hole.   
     
     
         5 . The massage device of  claim 3 , wherein
 the connection link has a bent shape.   
     
     
         6 . The massage device of  claim 3 , wherein
 the support unit comprises a guide roller which is installed on at least one of the first link and the second link and of which a position is adjusted along the rail.   
     
     
         7 . The massage device of  claim 6 , wherein
 the guide roller supports an upper surface and a lower surface of the rail.   
     
     
         8 . The massage device of  claim 1 , further comprising
 a reinforcing member that is attached to one side of the rail and has a shape changing along with the rail when the back frame is rotated.   
     
     
         9 . The massage device of  claim 8 , wherein
 the rail is more flexible than the reinforcing member.   
     
     
         10 . The massage device of  claim 1 , wherein
 the rail comprises:   a first region where the guide roller of the support unit contacts; and   a second region arranged inside the first region and setting a moving path of the massage module.   
     
     
         11 . The massage device of  claim 1 , further comprising
 a massage module of which a moving path is set by the rail and which is moved along the seat frame and the back frame.   
     
     
         12 . The massage device of  claim 11 , wherein
 the massage module comprises:   a driving roller moving along one surface of the rail; and   a first support roller moving along the other surface of the rail.   
     
     
         13 . The massage device of  claim 1 , further comprising a driving unit installed on one of the seat frame and the back frame and rotating the other.